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Comment I am a physicist (Score 1) 439

And yes, i used some measurement techniques which required a lot of computational power (fitting procedures which ran over days).

And no: if your signal is too weak, no computation in the world can bring back the lost information. If i know that you will try to detect me optically, i paint the ship using another colour.

As far as i understand submarines are anyway not meant t o go close to any coastline.

Comment Sounds good to me (Score 1) 148

As somebody who really likes the price/performance point of samsung *Hardware* i have to say that I appreciate if they stop to put their randomly changing (sometime functions vanish when you update) office suite and their completely weird and buggy "communications" crap on the device.

If they have a long-term thing with MS that wil mean that Office mobile will get better because there is money to make for MS, and that they replace their useless bloatware with thing which i alreaady use.

Comment So strange! (Score 4, Insightful) 252

I mean, this guy really seems not to get that the excercise was not meant to demonstrate how to print 123456, but that printing 123456, as opposed to e.g. 654321 is a tool to demonstrate/show the order of the execution of command in a self-recursive function.

I mean, i have seen bad coding practices in courses (nervous handling of null pointers, and strong binding OOP comes to my mind), but this question has nothing to do with coding, but is purely the shortes way to test is the student understands what happens if the print comes after the call of the self recursive function.

Comment Re:Had to check the calendar (Score 1) 307

Yes, me too. I mean: the headline "Microsoft releases next version of windows for hobbyist 35$ computer meant for open source"....

Whats next?

-Office for linux - oops Office runs on Andoid.
-Microsoft hosts Linux - yes, azure runs also linux machines
-Microsoft sells Linux hardware - seems to be the case - Nokia N1
-Microsoft contributes to linux kernel - but they are not top 20 any more
-Linux devices are major income source for MS (~400Million$ for nothing from exFat patents)

I mean the last thing which is missing is that they actually open source windows. But maybe they do that when they replace the kernel by a linux kernel and forget the rest.....

Comment Dangerous overkill (Score 1) 88

Dangerous because automatic key updates should require a great deal of verification of the new keys. I could imagine some scenarios (e.g. cloned virtual machines), which lead to the authenticated key being correctly updated (e.g old instructions/documentation) by the admin, but the EC key not overwritten (since it's not in the standard procedure). If this EC key then is copied automatically to the client, any of the cloned machines would accepted as a verified server after the login.

Overkill because exposing the public keys in terms of the sftp protocol would be less invasive and give the client full control what to do whith the keys.

Comment Well they are used to facebook. (Score 1) 307

Seems reasonable to me.

Facebook: If you click here, for playing farmville and getting up-to date advertisements around the world and hearing which of your friends prepares pizza right now, you give us all your data. We will sell it or not, as we see fit, ask you about it or not, as we see fit, change the rules at any time, as we see fit, and if you dont disagree immeduatly, we will make an effort to protect our interest by just giving you enough privacy not to run away.

NSA: To stop terrorists killing you all, we need to log all data of you which we can get.

Yes, if you give me the choice if the ratio of loss of privacy to gained comfort/security is better for Facebook or the NSA, i choose the NSA.

Comment Re:Defective by design. (Score 1) 222

Two year ago: Openvpn was fine, but webpages of providers were blocked (not a bad strategy...).

Last year: private Openvpn server worked, but connections dropped after ~1Gbyte was transferred, and well known providers were blocked

This year: openvpn was detected (not sure how!) and private server seems to have ended on some "gray" list, ssh connectionsafter that were very slow (although that could coincide with slow internet); sshing to singapore AWS cloud was fine, but i had the feeling that switching between ports for ssh helped after big data transfers or long conenctions. Connecting by mobile (state telecom) was better than by WLAN.

Blocking seems to happen solely based on target (outside China) IP.

The rationale behind blocking vpns but not ssh is simple: China is not interested in blocking perfectly. They don't care about (or even may like) that you can set up cloud servers which you need for your thing outside China. They dont care about 1% of the population and all foreigners getting unfiltered access to the outside world. As long as they can filter the information for the vast majority. Which implies that the material they mostly care about is video, which means that intentionally slowing ssh still enable you to do your admin work, but you can not copy 1000 youtube videos quickly. Also, for ssh there is no "1-click-vpn" client available......

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